Nomenclature Of Benign And Malignant Neoplasms

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Fibroma

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Benign tumor arising in fibrous tse

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Chondroma

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Benign cartilaginous tumor

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Adenoma

Back 3

Benign epithelial neoplasms derived from glands

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Papilloma

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Benign epithelial neoplasms producing microscopically or macroscopically visible fingerlike or warty projections from epithelial surfaces

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Cystadenoma

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Those that form large cystic masses

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Papillary cystadenomas

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Tumors that produce papillary patterns that protrude into cystic spaces

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Polyp

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When a neoplasm--benign or malignant-- forms a macroscopically visible projection above a mucosal surface and projects, for example, into the gastric or colonic lumen

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Sarcomas

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Malignant tumors that arrisw from solid mesenchymal tissues

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Leukemias, lymphomas

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Those arrising from blood-forming cells

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Carcinomas

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Malignant neoplasms of epithelial crll origin, derived from any of the three germ layers

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Squamous cell carcinomas

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Cancer in which tumor cells resemble stratified squamous epithelium

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Adenocarcinoma

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Denotes a lesion in which the neoplastic epithelial cells grow in a glandular pattern

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Pleomorphic adenoma

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Tumors that contain epithelial components scattered within a myxoid stroma that may contain islands of cartilage or bone. These arise from a single clone capable of producing both epithelial and myoepithelial cells

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Teratoma

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A neoplasm which contains recognizable mature or immature cells or tissues belonging to more than one germ cell layer (and sometimes all three)

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Hamartoma

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Disorganized but benign masses composed of cells indigenous to the involved site. The cells of these benign masses are normall found in the tissue but are disorganized and they form a mass

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Choristoma

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The term applied to a heterotropic rest of cells. It is a normal cell found abnormally in another tissue; ectopic.